-37.94% is the change from 311 to 193
Calculation steps:
[( 193 - 311 ) ÷ 311] x 100 = -37.94%
Formula
Percentage change = [(193 - 311) / 311] x 100
Subtract the new number by the original number
193 - 311 = -118
-118 ÷ 311 = -0.37942122186495175
-0.37942122186495175 x 100 = -37.94%